bicycle
bike
wheel cycle | a wheeled vehicle that has two wheels and is moved by foot pedals |
bicycle-built-for-two
tandem bicycle
tandem | a bicycle with two sets of pedals and two seats |
| bicycle chain | a chain that transmits the power from the pedals to the rear wheel of a bicycle |
bicycle clip
trouser clip | a clip worn around a cyclist's ankles that keeps trousers from becoming caught in the bicycle chain |
| bicycle pump | a small pump that fills bicycle tires with air |
| bicycle rack | a rack for parking bicycles |
bicycle seat
saddle | a seat for the rider of a bicycle |
| bicycle wheel | the wheel of a bicycle |
exercise bike
exercycle | an exercise device resembling a stationary bike |
motorcycle
bike | a motor vehicle with two wheels and a strong frame |
mountain bike
all-terrain bike
offoader | a bicycle with a sturdy frame and fat tires, originally designed for riding in mountainous country |
| ordinary ordinary bicycle | an early bicycle with a very large front wheel and small back wheel |
pedicab
cycle rickshaw | a tricycle (usually propelled by pedalling), used in the Orient for transporting passengers for hire, boys who once pulled rickshaws now pedal pedicabs |
| push-bike | a bicycle that must be pedaled |
safety bicycle
safety bike | bicycle that has two wheels of equal size, pedals are connected to the rear wheel by a multiplying gear |
trail bike
dirt bike
scrambler | a lightweight motorcycle equipped with rugged tires and suspension, an offoad motorcycle designed for riding cross country or over unpaved ground |
| cycle of rebirth | (Hinduism) repeated rebirth in new forms |
| cycle oscillation | a single complete execution of a periodically repeated phenomenon, a year constitutes a cycle of the seasons |
| cardiac cycle | the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next, an electrical impulse conducted through the heart muscle that constricts the atria which is followed by constriction of the ventricles, the cardiac cycle can be shown on an electrocardiogram |
Carnot cycle
Carnot's ideal cycle | a cycle (of expansion and compression) of an idealized reversible heat engine that does work without loss of heat |
| cycle | a periodically repeated sequence of events, a cycle of reprisal and retaliation |
business cycle
trade cycle | recurring fluctuations in economic activity consisting of recession and recovery and growth and decline |
| bicycle race | a race between people riding bicycles |
| cycle | a series of poems or songs on the same theme, Schubert's song cycles |
| bicycle traffic | bicycles coming and going |
| divine messenger | a messenger from God, angel of death |
messenger
courier | a person who carries a message |
messenger boy
errand boy | a boy who earns money by running errands |
food web
food cycle | (ecology) a community of organisms where there are several interrelated food chains |
| life cycle | a series of stages through which an organism passes between recurrences of a primary stage |
| carbon cycle | a thermonuclear reaction in the interior of stars |
| carbon cycle | the organic circulation of carbon from the atmosphere into organisms and back again |
Krebs cycle
Krebs citric acid cycle
citric acid cycle
tricarboxylic acid cycle | in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy |
| life cycle | the course of developmental changes in an organism from fertilized zygote to maturity when another zygote can be produced |
| nitrogen cycle | the circulation of nitrogen, nitrates from the soil are absorbed by plants which are eaten by animals that die and decay returning the nitrogen back to the soil |
vicious circle
vicious cycle | one trouble leads to another that aggravates the first |
messenger RNA
mRNA
template RNA
informational RNA | the template for protein synthesis, the form of RNA that carries information from DNA in the nucleus to the ribosome sites of protein synthesis in the cell |
hertz
Hz
cycle per second
cycles
second
cps
cycle | the unit of frequency, one hertz has a periodic interval of one second |
cycle
rhythm
round | an interval during which a recurring sequence of events occurs, the never-ending cycle of the seasons |
| menstrual cycle | a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy, if pregnancy does not occur the lining is shed at menstruation, the average menstrual cycle is days |
| cycle | recur in repeating sequences |
bicycle
cycle bike
pedal
wheel | ride a bicycle |
motorbike
motorcycle
cycle | ride a motorcycle |
| cycle | pass through a cycle, This machine automatically cycles |
| cycle on | come to the starting point of a cycle |
| cycle | cause to go through a recurring sequence, cycle the laundry in this washing program |